7381916 has 12 divisors (see below), whose sum is σ = 13037640. Its totient is φ = 3656880.

The previous prime is 7381909. The next prime is 7381931. The reversal of 7381916 is 6191837.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030 + ... + 8901.

It is an arithmetic number, because the mean of its divisors is an integer number (1086470).

Almost surely, 2^7381916 is an apocalyptic number.

It is an amenable number.

7381916 is a deficient number, since it is larger than the sum of its proper divisors (5655724).

7381916 is a wasteful number, since it uses less digits than its factorization.

7381916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044 (or 17042 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 7381916 is about 2716.9681632290. The cubic root of 7381916 is about 194.7106468987.

The spelling of 7381916 in words is "seven million, three hundred eighty-one thousand, nine hundred sixteen".